bug #721: unlock objects if returned as invalid in get operations
bug #721: unlock objects if returned as invalid in get operations

tuxmea/one,mattthias/one,cloudweavers/one,juanmont/one,juanmont/one,unistra/one,tuxmea/one,hsanjuan/one,cloudweavers/one,OpenNebula/one,OpenNebula/one,juanmont/one,fasrc/one,cloudweavers/one,atodorov-storpool/one,goberle/one,abelCoronado93/one,ohamada/one,dberzano/opennebula-torino,spirit03/one,unistra/one,spirit03/one,atodorov-storpool/one,goberle/one,ohamada/one,baby-gnu/one,goberle/one,tuxmea/one,hsanjuan/one,mattthias/one,hsanjuan/one,dberzano/opennebula-torino,fasrc/one,alvarosimon/one,juanmont/one,alvarosimon/one,atodorov-storpool/one,tuxmea/one,fasrc/one,ohamada/one,fasrc/one,baby-gnu/one,atodorov-storpool/one,ggalancs/one,cloudweavers/one,atodorov-storpool/one,goberle/one,atodorov-storpool/one,atodorov-storpool/one,hsanjuan/one,ohamada/one,fasrc/one,ohamada/one,OpenNebula/one,fasrc/one,alvarosimon/one,ggalancs/one,unistra/one,tuxmea/one,OpenNebula/one,alvarosimon/one,Terradue/one,baby-gnu/one,ggalancs/one,cloudweavers/one,ohamada/one,spirit03/one,hsanjuan/one,dberzano/opennebula-torino,alvarosimon/one,hsanjuan/one,baby-gnu/one,ohamada/one,baby-gnu/one,goberle/one,hsanjuan/one,abelCoronado93/one,juanmont/one,unistra/one,spirit03/one,goberle/one,Terradue/one,abelCoronado93/one,ggalancs/one,juanmont/one,unistra/one,tuxmea/one,ggalancs/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,Terradue/one,spirit03/one,atodorov-storpool/one,mattthias/one,abelCoronado93/one,ggalancs/one,mattthias/one,baby-gnu/one,mattthias/one,alvarosimon/one,abelCoronado93/one,hsanjuan/one,tuxmea/one,unistra/one,juanmont/one,alvarosimon/one,tuxmea/one,mattthias/one,unistra/one,unistra/one,cloudweavers/one,dberzano/opennebula-torino,juanmont/one,cloudweavers/one,Terradue/one,abelCoronado93/one,spirit03/one,goberle/one,baby-gnu/one,mattthias/one,ggalancs/one,Terradue/one,dberzano/opennebula-torino,baby-gnu/one,OpenNebula/one,fasrc/one,spirit03/one,ggalancs/one,juanmont/one,fasrc/one,Terradue/one,OpenNebula/one,Terradue/one,cloudweavers/one,mattthias/one,ohamada/one,alvarosimon/one,dberzano/opennebula-torino,OpenNebula/one,goberle/one,abelCoronado93/one,spirit03/one,Terradue/one,dberzano/opennebula-torino,abelCoronado93/one